Solution to enhanced emergency services (e.g. 911) for IP telephony systems
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United States of America Patent
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N/A
Issued Date -
Aug 21, 2003
app pub date -
Feb 19, 2002
filing date -
Feb 19, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
There is provided a method of maintaining physical location association with an IP telephony instrument. When a change of an Ethernet MAC address on a switch port is detected, an IP telephony call controller is notified of the change. At least one information prompt is sent from the IP telephony call controller to the IP telephony instrument. A response including a physical location of the IP telephony instrument is received and the physical location associated with the IP telephony instrument is maintained.
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